Configuration of codeword numbers for 5g or other next generation network

ABSTRACT

Channel multi-input multi-output (MIMI) systems can be configured with a variable number of codewords where the network an change the number of codewords based on channel conditions, user equipment capability, etc. Thus, the network can efficiently utilize feedback channel overhead while simultaneously improving the capacity of the system. Instead of configuring the UE with a fixed number of codewords for all the channel conditions, the network can change the number of codewords dynamically or semi-statically. The network can determine the number of codewords based on measurements and recommendations from the UE. Alternatively, the network can determine the number of codewords on its own.

TECHNICAL FIELD

This disclosure relates generally to facilitating configuring a numberof codewords. For example, this disclosure relates to facilitating anumber of codewords within a network comprising multiple transmissionand reception antennas for a 5G, or other next generation network, airinterface.

BACKGROUND

5th generation (5G) wireless systems represent a next major phase ofmobile telecommunications standards beyond the currenttelecommunications standards of 4^(th) generation (4G). Rather thanfaster peak Internet connection speeds, 5G planning aims at highercapacity than current 4G, allowing higher number of mobile broadbandusers per area unit, and allowing consumption of higher or unlimiteddata quantities. This would enable a large portion of the population tostream high-definition media many hours per day with their mobiledevices, when out of reach of wireless fidelity hotspots. 5G researchand development also aims at improved support of machine-to-machinecommunication, also known as the Internet of things, aiming at lowercost, lower battery consumption and lower latency than 4G equipment.

The above-described background relating to a non-orthogonal design ismerely intended to provide a contextual overview of some current issues,and is not intended to be exhaustive. Other contextual information maybecome further apparent upon review of the following detaileddescription.

BRIEF DESCRIPTION OF THE DRAWINGS

Non-limiting and non-exhaustive embodiments of the subject disclosureare described with reference to the following figures, wherein likereference numerals refer to like parts throughout the various viewsunless otherwise specified.

FIG. 1 illustrates an example wireless communication system in which anetwork node and user equipment (UE) can implement various aspects andembodiments of the subject disclosure.

FIG. 2 illustrates an example schematic system block diagram of amessage sequence chart between a network node and UE according to one ormore embodiments.

FIG. 3 illustrates an example schematic system block diagram of amultiple code word MIMO transmitter.

FIG. 4 illustrates an example schematic system block diagram of amultiple codeword MIMO receiver without codeword interferencecancellation.

FIG. 5 illustrates an example schematic system block diagram of amultiple codeword MIMO receiver comprising codeword interferencecancellation.

FIG. 6 illustrates an example schematic system block diagram of ageneral structure of an LTE downlink MIMO transmission with twocodewords.

FIG. 7 illustrates an example schematic system block diagram of ageneral structure of a new radio downlink MIMO transmission with asingle codeword.

FIG. 8 illustrates an example schematic system block diagram of afeedback channel structure for reporting a number of codewords.

FIG. 9 illustrates an example schematic system block diagram of afeedback channel structure for reporting a number of codewords and layermapping according to one or more embodiments.

FIG. 10 illustrates an example flow diagram for configuring codewordsaccording to one or more embodiments.

FIG. 11 illustrates an example block diagram of an example mobilehandset operable to engage in a system architecture that facilitatessecure wireless communication according to one or more embodimentsdescribed herein.

FIG. 12 illustrates an example block diagram of an example computeroperable to engage in a system architecture that facilitates securewireless communication according to one or more embodiments describedherein.

DETAILED DESCRIPTION

In the following description, numerous specific details are set forth toprovide a thorough understanding of various embodiments. One skilled inthe relevant art will recognize, however, that the techniques describedherein can be practiced without one or more of the specific details, orwith other methods, components, materials, etc. In other instances,well-known structures, materials, or operations are not shown ordescribed in detail to avoid obscuring certain aspects.

Reference throughout this specification to “one embodiment,” or “anembodiment,” means that a particular feature, structure, orcharacteristic described in connection with the embodiment is includedin at least one embodiment. Thus, the appearances of the phrase “in oneembodiment,” “in one aspect,” or “in an embodiment,” in various placesthroughout this specification are not necessarily all referring to thesame embodiment. Furthermore, the particular features, structures, orcharacteristics may be combined in any suitable manner in one or moreembodiments.

As utilized herein, terms “component,” “system,” “interface,” and thelike are intended to refer to a computer-related entity, hardware,software (e.g., in execution), and/or firmware. For example, a componentcan be a processor, a process running on a processor, an object, anexecutable, a program, a storage device, and/or a computer. By way ofillustration, an application running on a server and the server can be acomponent. One or more components can reside within a process, and acomponent can be localized on one computer and/or distributed betweentwo or more computers.

Further, these components can execute from various machine-readablemedia having various data structures stored thereon. The components cancommunicate via local and/or remote processes such as in accordance witha signal having one or more data packets (e.g., data from one componentinteracting with another component in a local system, distributedsystem, and/or across a network, e.g., the Internet, a local areanetwork, a wide area network, etc. with other systems via the signal).

As another example, a component can be an apparatus with specificfunctionality provided by mechanical parts operated by electric orelectronic circuitry; the electric or electronic circuitry can beoperated by a software application or a firmware application executed byone or more processors; the one or more processors can be internal orexternal to the apparatus and can execute at least a part of thesoftware or firmware application. As yet another example, a componentcan be an apparatus that provides specific functionality throughelectronic components without mechanical parts; the electroniccomponents can include one or more processors therein to executesoftware and/or firmware that confer(s), at least in part, thefunctionality of the electronic components. In an aspect, a componentcan emulate an electronic component via a virtual machine, e.g., withina cloud computing system.

The words “exemplary” and/or “demonstrative” are used herein to meanserving as an example, instance, or illustration. For the avoidance ofdoubt, the subject matter disclosed herein is not limited by suchexamples. In addition, any aspect or design described herein as“exemplary” and/or “demonstrative” is not necessarily to be construed aspreferred or advantageous over other aspects or designs, nor is it meantto preclude equivalent exemplary structures and techniques known tothose of ordinary skill in the art. Furthermore, to the extent that theterms “includes,” “has,” “contains,” and other similar words are used ineither the detailed description or the claims, such terms are intendedto be inclusive—in a manner similar to the term “comprising” as an opentransition word—without precluding any additional or other elements.

As used herein, the term “infer” or “inference” refers generally to theprocess of reasoning about, or inferring states of, the system,environment, user, and/or intent from a set of observations as capturedvia events and/or data. Captured data and events can include user data,device data, environment data, data from sensors, sensor data,application data, implicit data, explicit data, etc. Inference can beemployed to identify a specific context or action, or can generate aprobability distribution over states of interest based on aconsideration of data and events, for example.

Inference can also refer to techniques employed for composinghigher-level events from a set of events and/or data. Such inferenceresults in the construction of new events or actions from a set ofobserved events and/or stored event data, whether the events arecorrelated in close temporal proximity, and whether the events and datacome from one or several event and data sources. Various classificationschemes and/or systems (e.g., support vector machines, neural networks,expert systems, Bayesian belief networks, fuzzy logic, and data fusionengines) can be employed in connection with performing automatic and/orinferred action in connection with the disclosed subject matter.

In addition, the disclosed subject matter can be implemented as amethod, apparatus, or article of manufacture using standard programmingand/or engineering techniques to produce software, firmware, hardware,or any combination thereof to control a computer to implement thedisclosed subject matter. The term “article of manufacture” as usedherein is intended to encompass a computer program accessible from anycomputer-readable device, machine-readable device, computer-readablecarrier, computer-readable media, or machine-readable media. Forexample, computer-readable media can include, but are not limited to, amagnetic storage device, e.g., hard disk; floppy disk; magneticstrip(s); an optical disk (e.g., compact disk (CD), a digital video disc(DVD), a Blu-ray Disc™ (BD)); a smart card; a flash memory device (e.g.,card, stick, key drive); and/or a virtual device that emulates a storagedevice and/or any of the above computer-readable media.

As an overview, various embodiments are described herein to facilitate aconfiguration of a number of codewords in a multi-antenna network for a5G or other next generation networks. For simplicity of explanation, themethods (or algorithms) are depicted and described as a series of acts.It is to be understood and appreciated that the various embodiments arenot limited by the acts illustrated and/or by the order of acts. Forexample, acts can occur in various orders and/or concurrently, and withother acts not presented or described herein. Furthermore, not allillustrated acts may be required to implement the methods. In addition,the methods could alternatively be represented as a series ofinterrelated states via a state diagram or events. Additionally, themethods described hereafter are capable of being stored on an article ofmanufacture (e.g., a machine-readable storage medium) to facilitatetransporting and transferring such methodologies to computers. The termarticle of manufacture, as used herein, is intended to encompass acomputer program accessible from any computer-readable device, carrier,or media, including a non-transitory machine-readable storage medium.

It should be noted that although various aspects and embodiments havebeen described herein in the context of 5G, Universal MobileTelecommunications System (UMTS), and/or Long Term Evolution (LTE), orother next generation networks, the disclosed aspects are not limited to5G, a UMTS implementation, and/or an LTE implementation as thetechniques can also be applied in 3G, 4G or LTE systems. For example,aspects or features of the disclosed embodiments can be exploited insubstantially any wireless communication technology. Such wirelesscommunication technologies can include UMTS, Code Division MultipleAccess (CDMA), Wi-Fi, Worldwide Interoperability for Microwave Access(WiMAX), General Packet Radio Service (GPRS), Enhanced GPRS, ThirdGeneration Partnership Project (3GPP), LTE, Third Generation PartnershipProject 2 (3GPP2) Ultra Mobile Broadband (UMB), High Speed Packet Access(HSPA), Evolved High Speed Packet Access (HSPA+), High-Speed DownlinkPacket Access (HSDPA), High-Speed Uplink Packet Access (HSUPA), Zigbee,or another IEEE 802.XX technology. Additionally, substantially allaspects disclosed herein can be exploited in legacy telecommunicationtechnologies.

Described herein are systems, methods, articles of manufacture, andother embodiments or implementations that can facilitate configurationof a number of codewords in a multi-antenna network for a 5G network.Facilitating configuration of codewords for a 5G network can beimplemented in connection with any type of device with a connection tothe communications network (e.g., a mobile handset, a computer, ahandheld device, etc.) any Internet of things (TOT) device (e.g.,toaster, coffee maker, blinds, music players, speakers, etc.), and/orany connected vehicles (cars, airplanes, space rockets, and/or other atleast partially automated vehicles (e.g., drones)). In some embodimentsthe non-limiting term user equipment (UE) is used. It can refer to anytype of wireless device that communicates with a radio network node in acellular or mobile communication system. Examples of UE are targetdevice, device to device (D2D) UE, machine type UE or UE capable ofmachine to machine (M2M) communication, PDA, Tablet, mobile terminals,smart phone, laptop embedded equipped (LEE), laptop mounted equipment(LME), USB dongles etc. Note that the terms element, elements andantenna ports can be interchangeably used but carry the same meaning inthis disclosure. The embodiments are applicable to single carrier aswell as to multicarrier (MC) or carrier aggregation (CA) operation ofthe UE. The term carrier aggregation (CA) is also called (e.g.interchangeably called) “multi-carrier system”, “multi-cell operation”,“multi-carrier operation”, “multi-carrier” transmission and/orreception.

In some embodiments the non-limiting term radio network node or simplynetwork node is used. It can refer to any type of network node thatserves UE is connected to other network nodes or network elements or anyradio node from where UE receives a signal. Examples of radio networknodes are Node B, base station (BS), multi-standard radio (MSR) nodesuch as MSR BS, eNode B, gNode B(gNB) network controller, radio networkcontroller (RNC), base station controller (BSC), relay, donor nodecontrolling relay, base transceiver station (BTS), access point (AP),transmission points, transmission nodes, RRU, RRH, nodes in distributedantenna system (DAS) etc.

Cloud radio access networks (RAN) can enable the implementation ofconcepts such as software-defined network (SDN) and network functionvirtualization (NFV) in 5G networks. This disclosure can facilitate ageneric channel state information framework design for a 5G network.Certain embodiments of this disclosure can comprise an SDN controllerthat can control routing of traffic within the network and between thenetwork and traffic destinations. The SDN controller can be merged withthe 5G network architecture to enable service deliveries via openapplication programming interfaces (“APIs”) and move the network coretowards an all internet protocol (“IP”), cloud based, and softwaredriven telecommunications network. The SDN controller can work with, ortake the place of policy and charging rules function (“PCRF”) networkelements so that policies such as quality of service and trafficmanagement and routing can be synchronized and managed end to end.

To meet the huge demand for data centric applications, 4G standards canbe applied 5G, also called new radio (NR) access. 5G networks cancomprise the following: data rates of several tens of megabits persecond supported for tens of thousands of users; 1 gigabit per secondcan be offered simultaneously to tens of workers on the same officefloor; several hundreds of thousands of simultaneous connections can besupported for massive sensor deployments; spectral efficiency can beenhanced compared to 4G; improved coverage; enhanced signalingefficiency; and reduced latency compared to LTE. In multicarrier systemsuch as OFDM, each subcarrier can occupy bandwidth (e.g., subcarrierspacing). If the carriers use the same bandwidth spacing, then it can beconsidered a single numerology. However, if the carriers occupydifferent bandwidth and/or spacing, then it can be considered a multiplenumerology.

MIMO systems can significantly increase the data carrying capacity ofwireless systems. For these reasons, MIMO is an integral part of the3^(rd) and 4^(th) generation wireless systems. 5G systems will alsoemploy MIMO systems also called massive MIMO systems (hundreds ofantennas at the transmitter side and/receiver side). Typically with a(N_(t), N_(r)), where N_(t) denotes the number of transmit antennas andN_(r) denotes the receive antennas, the peak data rate multiplies with afactor of N_(t) over single antenna systems in rich scatteringenvironment.

Downlink reference signals are predefined signals occupying specificresource elements within a downlink time-frequency grid. There areseveral types of downlink reference signals that can be transmitted indifferent ways and used for different purposes by a receiving terminal.Channel state information reference signals (CSI-RS) can be used byterminals to acquire channel-state information (CSI) and beam specificinformation (e.g., beam reference signal received power). In 5G, CSI-RScan be user equipment (UE) specific so it can have a significantly lowertime/frequency density. Demodulation reference signals (DM-RS), alsosometimes referred to as UE-specific reference signals, can be used byterminals for channel estimation of data channels. The label“UE-specific” relates to the each demodulation reference signal beingintended for channel estimation by a single terminal. The demodulationreference signal can then be transmitted within the resource blocksassigned for data traffic channel transmission to that terminal. Otherthan the aforementioned reference signals, there are other referencesignals, namely multi-cast broadcast single frequency network (MBSFN)and positioning reference signals that can be used for various purposes.

An uplink control channel can carry information about hybrid automaticrepeat request acknowledgment (HARQ-ACK) corresponding to a downlinkdata transmission, and channel state information. The channel stateinformation can comprise rank indicator (RI) data, channel qualityindicator (CQI) data, and pre-coding matrix indicator (PMI) data.

The physical downlink control channel (PDCCH) can carries informationabout scheduling grants. Typically this can comprise a number ofmultiple-input multiple-output (MIMO) layers scheduled, transport blocksizes, modulation for each codeword, parameters related to HARQ, subband locations, and also PMI data corresponding to the sub bands. Itshould be understood that, all downlink control channel (DCI) formatsmay not transmit all the information. However, the contents of the PDCCHcan depend on a transmission mode and the DCI format.

Within multi-codeword MIMO, the feedback channel (both downlink anduplink) overhead can be proportional to a transmission rank. Forexample, if the UE reported a rank is equal to 4, then the network needsto report 4 channel quality indicators. Similarly, the transmitter cantransmit 4 transport block sizes, a modulation format, HARQ processnumbers, redundancy versions, etc. Consequently, the feedback channeloverhead is proportional to the transmission rank. To reduce theoverhead, a codeword dimensioning principle can bundle the layers andsupporting codewords. The codeword can be defined as an informationblock appended with a cyclic redundancy check (CRC). Each codeword canbe separately coded using turbo coding and the coded bits from eachcodeword can be scrambled separately as shown in FIG. 6. Thecomplex-valued modulation symbols for each of the codewords to betransmitted can be mapped onto one or multiple layers.

The complex-valued modulation symbols for codeword q can be representedby Equation 1:

d ^((q)()0), . . . , d ^((q))(M ^((q)) _(symb)−1),  Equation 1:

Equation 1 can be mapped onto the layers as represented by Equation 2:

x(i)=[x ⁽⁰⁾(i) . . . x ^((ν−1))(i)]^(T) , i=0, 1, . . . , M ^(layer)_(symb)−1,  Equation 2:

where ν is the number of layers and M^(layer) _(symb) is the number ofmodulation symbols per layer. The codeword-to-layer mapping is shown inFIG. 2. Consequently whenever the transmission rank is more than apredefined number, the transport block size can increase to accommodatethe number of bits.

The MIMO systems can be configured with a variable number of codewordswhereby the network changes the number of codewords based on channelconditions, UE capability, etc. Consequently, the network can utilizethe feedback channel overhead simultaneously to improve the capacity ofthe system, resulting in significant gains in sector throughput and celledge user throughput and reduction in feedback channel overhead. Insteadof configuring the UE with a fixed number of codewords for all thechannel conditions, the network can change the number of codewordsdynamically or semi-statically. The network can decide the number ofcodewords based on measurements and recommendations from the UE, or thenetwork can decide on its own. For example at time T1, the network canconfigure the UE with two codewords; and at time T2, the network canconfigure the UE with a single codeword; and at time T3, the network canconfigure the UE with three codewords. By dynamically configuring the UEwith codewords, the number of codewords can be adapted based on channelconditions, and the feedback signal overhead can scale accordingly.

In one embodiment, the number of codewords can be determined without UEassistance. The network can determine the number of codewordsautonomously without UE assistance. For example, if the UE is configuredwith two codeword MIMO, then the UE can report two CQIs. If the networkobserved that the two CQIs are equal, or substantially equal, or thedifference between CQIs is less than a pre-defined threshold, then thenetwork can determine that the corresponding UE can use a singlecodeword.

Once the network determines the number of codewords, the UE needs toknow the number of codewords prior to decoding the data traffic channel.Therefore, the network can convey the number of codewords to the UE. Inone embodiment, the network can convey this information as part of thedownlink control channel. Consequently, the UE can decode the DCI anddecode the data channel. In another embodiment, the network canconfigure the UE with radio resource control (RRC) signaling associatedwith the number of codewords until the RRC re-configuration.

The basic function of a rate matching module is to match the number ofbits in a transport block (TB) to the number of bits that can betransmitted in the given allocation. Rate matching can comprisesub-block interleaving, bit collection, and pruning. In PDSCH, ratematching can be performed by the PDSCH TB being segmented into codeblocks (CB) if its size is greater than 6144 bits. Otherwise there canbe no segmentation of the TB, but the TB and CB can be of same size.Rate matching can be performed over code blocks and performed after thecode blocks have undergone turbo encoding. The turbo encoder can performa ⅓ rate encoding. For example, for every single input bit, 3 outputbits can be provided in which the first bit is the original input bitcalled as a systematic bit, and the remaining two bits can be aninterleaved version of the input bit called parity1 and parity2 bits.These three streams of systematic, parity1, and parity2 bits can be fedas input to a rate matching module.

In one embodiment, described herein is a method comprising configuring amobile device of a wireless network according to a first number ofcodewords. The method can also comprise receiving a signal transmissionfrom the mobile device, wherein the signal transmission compriseschannel data associated with a channel state of the mobile device. Thus,in response to receiving the signal transmission, the method cancomprise configuring the mobile device according to a second number ofthe codewords different than the first number.

According to another embodiment, a system can facilitate, receiving areference signal associated with channel state data of a first channelbetween a mobile device and a network device. Based on the channel statedata, the system can facilitate, generating channel estimation dataassociated with the first channel, and based on the channel estimationdata, the system can facilitate generating signal interference data,representative of a first signal to noise plus interference ratio of afirst layer of the first channel. Thereafter the system can compare thefirst signal to noise plus interference ratio to a second signal tonoise plus interference ratio of a second layer of a second channelbetween the mobile device and the network device, resulting in signal tonoise plus interference ratio comparison data, and in response to thecomparing, the system can send the signal to noise plus interferenceratio comparison data to the network device.

According to yet another embodiment, described herein is amachine-readable storage medium that can perform the operationscomprising receiving a first signal transmission from a mobile device,wherein the first signal transmission comprises an indication that themobile device is configured with a first number of codewords. Theoperations can also comprise analyzing the first signal transmission,wherein the first signal transmission comprises a quality differencemetric indicative of the first number of codewords being less than apredefined number associated with a quality difference. In response tothe analyzing, the operations can comprise facilitating use of a secondnumber of the codewords different from the first number of thecodewords.

These and other embodiments or implementations are described in moredetail below with reference to the drawings.

FIG. 1 illustrates an example wireless communication system 100 inaccordance with various aspects and embodiments of the subjectdisclosure. In example embodiments, system 100 is or comprises awireless communication network serviced by one or more wirelesscommunication network providers. In example embodiments, system 100 cancomprise one or more user equipment (UEs) 102 (e.g., 102 ₁, 102 ₂ . . .102 _(n)), which can comprise one or more antenna panels comprisingvertical and horizontal elements. A UE 102 can be any user equipmentdevice, such as a mobile phone, a smartphone, a cellular enabled laptop(e.g., comprising a broadband adapter), a tablet computer, a wearabledevice, a virtual reality (VR) device, a heads-up display (HUD) device,a smart car, a machine-type communication (MTC) device, and the like. UE102 can also comprise IOT devices that can communicate wirelessly. UE102 roughly corresponds to the mobile station (MS) in global system formobile communications (GSM) systems. Thus, the network node 104 (e.g.,network node device) can provide connectivity between the UE and thewider cellular network and can facilitate wireless communication betweenthe UE and the wireless communication network (e.g., the one or morecommunication service provider networks 106, described in more detailbelow) via a network node 104. The UE 102 can send and/or receivecommunication data wirelessly to the network node 104. The dashed arrowlines from the network node 104 to the UE 102 represent downlink (DL)communications and the solid arrow lines from the UE 102 to the networknodes 104 represent uplink (UL) communications.

The non-limiting term network node (e.g., network node device) can beused herein to refer to any type of network node serving a UE 102 and/orconnected to other network nodes, network elements, or another networknode from which the UE 102 can receive a radio signal. In typicalcellular radio access networks (e.g., universal mobiletelecommunications system (UMTS) networks), they can be referred to asbase transceiver stations (BTS), radio base station, radio networknodes, base stations, NodeB, eNodeB (e.g., evolved NodeB), etc.). In 5Gterminology, the node can be referred to as a gNodeB (e.g., gNB) device.Network nodes can also comprise multiple antennas for performing varioustransmission operations (e.g., MIMO operations). A network node cancomprise a cabinet and other protected enclosures, an antenna mast, andactual antennas. Network nodes can serve several cells, also calledsectors, depending on the configuration and type of antenna. Examples ofnetwork nodes (e.g., network node 104) can include but are not limitedto: NodeB devices, base station (BS) devices, access point (AP) devices,and radio access network (RAN) devices. The network node 104 can alsoinclude multi-standard radio (MSR) radio node devices, comprising: anMSR BS, an eNode B, a network controller, a radio network controller(RNC), a base station controller (BSC), a relay, a donor nodecontrolling relay, a base transceiver station (BTS), a transmissionpoint, a transmission node, an RRU, an RRH, nodes in distributed antennasystem (DAS), and the like.

System 100 can further comprise one or more communication serviceprovider networks 106 that facilitate providing wireless communicationservices to various UEs, comprising UE 102, via the network node 104and/or various additional network devices (not shown) included in theone or more communication service provider networks 106. The one or morecommunication service provider networks 106 can include various types ofdisparate networks, comprising: cellular networks, femto networks,picocell networks, microcell networks, internet protocol (IP) networksWi-Fi service networks, broadband service network, enterprise networks,cloud based networks, and the like. For example, in at least oneimplementation, system 100 can be or can comprise a large scale wirelesscommunication network that spans various geographic areas. According tothis implementation, the one or more communication service providernetworks 106 can be or can comprise the wireless communication networkand/or various additional devices and components of the wirelesscommunication network (e.g., additional network devices and cells,additional UEs, network server devices, etc.). The network node 104 canbe connected to the one or more communication service provider networks106 via one or more backhaul links 108. For example, the one or morebackhaul links 108 can comprise wired link components, such as a T1/E1phone line, a digital subscriber line (DSL) (e.g., either synchronous orasynchronous), an asymmetric DSL (ADSL), an optical fiber backbone, acoaxial cable, and the like. The one or more backhaul links 108 can alsoinclude wireless link components, such as but not limited to,line-of-sight (LOS) or non-LOS links which can include terrestrialair-interfaces or deep space links (e.g., satellite communication linksfor navigation).

In one technique, the UE 102 can send a reference signal back to thenetwork node 104. The network node 104 takes a received reference signalfrom the UE 102, estimates the condition of the channel, which can beinfluenced by various factors, such as objects in the line of sight,weather, movement, interference, etc., and after correcting for moreissues (e.g., interference), adjusts the beamforming rates for eachantenna transmitting to the UE 102, and changes parameters, so as totransmit a better beam toward the UE 102. This ability to select MIMOschemes and use beamforming to focus energy and adapt to changingchannel conditions can allow for higher data rates.

Referring now to FIG. 2, illustrated is an example schematic systemblock diagram of a message sequence chart between a network node anduser equipment according to one or more embodiments. FIG. 2 depicts amessage sequence chart for downlink data transfer in 5G systems 200. Thenetwork node 104 can transmit reference signals to a user equipment (UE)102. The reference signals can be cell specific and/or user equipment102 specific in relation to a profile of the user equipment 102 or sometype of mobile identifier. From the reference signals, the userequipment 102 can compute channel state information (CSI) and computeparameters needed for a CSI report at block 202. The CSI report cancomprise: a channel quality indicator (CQI), a pre-coding matrix index(PMI), rank information (RI), a CSI-resource indicator (e.g., CRI thesame as beam indicator), etc.

The user equipment 102 can then transmit the CSI report to the networknode 104 via a feedback channel either on request from the network node104, a-periodically, and/or periodically. A network scheduler canleverage the CSI report to determine downlink transmission schedulingparameters at block 204, which are particular to the user equipment 102.The scheduling parameters at block 204 can comprise modulation andcoding schemes (MCS), power, physical resource blocks (PRBs), etc. FIG.2 depicts the physical layer signaling where the density change can bereported for the physical layer signaling or as a part of the radioresource control (RRC) signaling. In the physical layer, the density canbe adjusted by the network node 104 and then sent over to the userequipment 102 as a part of the downlink control channel data. Thenetwork node 104 can transmit the scheduling parameters, comprising theadjusted densities, to the user equipment 102 via the downlink controlchannel. Thereafter and/or simultaneously, data can be transferred, viaa data traffic channel, from the network node 104 to the user equipment102.

Referring now to FIG. 3, illustrated is an example schematic systemblock diagram of a multiple code word MIMO transmitter. FIG. 3 depictsthe transmission side of a MIMO communication system 300 with N_(t)transmit antennas. There are Nc transport blocks 302, where Nc<=Nt(e.g., the maximum number of transport blocks can be less than themaximum number of transport antennas). CRC bits can be added to eachtransport block 302 and passed to the channel encoder 304 ₁, 304 ₂. Thechannel encoder can add parity bits to protect the data. Then, thestream can be passed through an interleaver & modulator 306 ₁, 306 ₂.The interleaver can re-arrange the bit positions and the modulator canmaps the bits to symbols in a constellation. The interleaver size can beadaptively controlled by an adaptive controller 314 by puncturing (e.g.,removing bits in the coded stream, also called rate matching) toincrease the data rate. The adaptation can be done by using theinformation from the feedback channel (e.g., channel state informationsent by the receiver). The interleaved data can be passed through asymbol mapper (e.g., modulator) at the interleaver & modulator 306 ₁,306 ₂ block. The symbol mapper can also be controlled by the adaptivecontroller 314. Afterwards the modulator streams can be passed through alayer mapper (e.g. the block where the coded bits are mapped to thenumber antennas) 308 and a precoder 310. The precoder 310 can generalizeany beamforming to support multi-stream transmission the MIMO network.The resultant streams can then be passed through an inverse fast fouriertransform (IFFT) 312 ₁, 312 ₂ block. It should be understood that theIFFT 312 ₁, 312 ₂ block can facilitate some communication systems, whichimplements OFDMA as the access technology (e.g., 5G, LTE/LTE-A), and inother systems it can be different and can be dependent on the multipleaccess system. The encoded stream can then be transmitted through arespective antenna.

Referring now to FIG. 4, illustrated is an example schematic systemblock diagram of a multiple codeword MIMO receiver without codewordinterference cancellation. FIG. 4 depicts the receiver for the multiplecodeword MIMO system 400 without interference cancellation. After a fastfourier transform (FFT) operation 402 ₁, 402 ₂, a MIMO detector 404 canbe used for reducing multi-antenna interference. A de-mapper 406 ₁, 406₂ can compute the bit log likelihood ratios from the MIMO detector 404output, which can be in the symbol domain. A channel estimator 416 canestimate channels and then the MIMO detector 404 can use the estimatedchannels to generate a weight of a minimum mean square error estimation(MMSE) detector. The bit stream can then be de-interleaved by ade-interleaver 408 ₁, 408 ₂ block and passed to a channel decoder 410 ₁,410 ₂. A CRC check can be performed on an output of the channel decoder410 ₁, 410 ₂ at a CRC 412 ₁, 412 ₂ block. If the CRC is passed, atransport block can be considered to be passed, and an ACK can be sentback to a transmitter via a feedback channel. If the CRC fails, then anegative acknowledgment (NAK) can be sent back to the transmitter usingthe feedback channel.

Referring now to FIG. 5 illustrates an example schematic system blockdiagram of a multiple codeword MIMO receiver comprising codewordinterference cancellation. FIG. 5 depicts the MIMO receiver withcodeword interference cancellation 500, also called serial interferencecancellation (SIC), where all of the receiver codewords can be decodedsimultaneously. Once the CRC check is performed on the codewords, thecodewords whose CRC is a pass can be reconstructed and subtracted fromthe received signal via an interference cancellation block 502 and onlythose codewords whose CRC is a fail can be decoded. This process can berepeated until all of the codewords are passed, or all of the codewordsare failed, or a certain predetermined number of iterations are reached.

Referring now to FIG. 6, illustrated is an example schematic systemblock diagram of a general structure of an LTE downlink MIMOtransmission with two codewords 600. Transmissions TB1 (for a firstcodeword) and TB2 (for a second codeword) can both experience channelcoding, scrambling, and modulation mapping at channel coding blocks 602₁, 602 ₂, scrambling blocks 604 ₁, 604 ₂, and modulation mapper blocks606 ₁, 606 ₂, respectively. Once layer mapping is complete via a layermapper block 608, the resultant symbols can be precoded, via a precodingblock 610, using a selected precoder. The precoded symbols can then bemapped, via RE mapper 612 ₁, 612 ₂ to resource elements in an OFDM timefrequency grid and OFDM signals can be generated via OFDM signalgeneration blocks 614 ₁, 6124 ₂. The resulting signal can be passed tothe antenna ports. Since improving signaling efficiency is pillar of 5Gsystems, assuming a single codeword MIMO is an attractive option for 5GNR systems to extend an LTE codeword dimensioning principle to a singlecodeword, rather than to two codewords as shown in FIG. 7. A new layermapping table, for example, a serial to parrallel converter, can beused.

Referring now to FIG. 7, illustrated is an example schematic systemblock diagram of a general structure of a new radio downlink MIMOtransmission with a single codeword 700. Another variant of singlecodeword MIMO where the multiple transport blocks belong to same HARQprocess identifier or codeword can also be used as a single codewordMIMO structure.

Referring now to FIG. 8, illustrated is an example schematic systemblock diagram of a feedback channel structure 800 for reporting a numberof codewords. In this embodiment, the network node 104 can determine thenumber of codewords from the UE 102 recommendation (e.g., the UEexplicitly recommends the number of codewords). This can be reported aspart of the uplink control channel information where it reports aHARQ-Ack 802, a CSI 804, and a number of codewords 806. To facilitatethe aforementioned embodiment, the UE 102 can determine the number ofcodewords when reporting the CSI to the network. Since the UE 102 canestimate the channel from the CSI-RS, it can estimate the SINR of theeach layer and then determine if the SINR of the layers are almostequal, or substantially equal, or if there is a difference between thelayers. For example, for a 4 antenna port system SINR1, SINR2, SINR3,and SINR4 can be the corresponding SINR of each layer. However, ifSINR1-SINR3, SINR1-SINR2, SINR1-SINR4 is less than Delta, where theDelta is a pre-defined number, then the system can choose a singlecodeword and report the codeword to the network.

Referring now to FIG. 9, illustrates an example schematic system blockdiagram of a feedback channel structure for reporting a number ofcodewords and layer mapping 900. In another embodiment, the UE 102 canmeasure the SINR and compare to the layer mapping table at a layermapping block 902 if the number of codewords is greater than 1 toindicate which layers need to be coupled to form a codeword.

Referring now to FIG. 10, illustrated is an example flow diagram forconfiguring codewords. At element 1000, a network device (e.g., networknode 104) can configure a mobile device (e.g., UE 102) of a wirelessnetwork according to a first number of codewords. At element 1002, thenetwork device (e.g., network node 104) can receive a signaltransmission from the mobile device (e.g., UE 102), wherein the signaltransmission comprises channel data associated with a channel state ofthe mobile device (e.g., UE 102). In response to receiving the signaltransmission, the network device (e.g., network node 104) can configurethe mobile device (e.g., UE 102) according to a second number of thecodewords different than the first number at element 1004.

Referring now to FIG. 11, illustrated is a schematic block diagram of anexemplary end-user device such as a mobile device 1100 capable ofconnecting to a network in accordance with some embodiments describedherein. Although a mobile handset 1100 is illustrated herein, it will beunderstood that other devices can be a mobile device, and that themobile handset 1100 is merely illustrated to provide context for theembodiments of the various embodiments described herein. The followingdiscussion is intended to provide a brief, general description of anexample of a suitable environment 1100 in which the various embodimentscan be implemented. While the description includes a general context ofcomputer-executable instructions embodied on a machine-readable storagemedium, those skilled in the art will recognize that the innovation alsocan be implemented in combination with other program modules and/or as acombination of hardware and software.

Generally, applications (e.g., program modules) can include routines,programs, components, data structures, etc., that perform particulartasks or implement particular abstract data types. Moreover, thoseskilled in the art will appreciate that the methods described herein canbe practiced with other system configurations, includingsingle-processor or multiprocessor systems, minicomputers, mainframecomputers, as well as personal computers, hand-held computing devices,microprocessor-based or programmable consumer electronics, and the like,each of which can be operatively coupled to one or more associateddevices.

A computing device can typically include a variety of machine-readablemedia. Machine-readable media can be any available media that can beaccessed by the computer and includes both volatile and non-volatilemedia, removable and non-removable media. By way of example and notlimitation, computer-readable media can comprise computer storage mediaand communication media. Computer storage media can include volatileand/or non-volatile media, removable and/or non-removable mediaimplemented in any method or technology for storage of information, suchas computer-readable instructions, data structures, program modules orother data. Computer storage media can include, but is not limited to,RAM, ROM, EEPROM, flash memory or other memory technology, CD ROM,digital video disk (DVD) or other optical disk storage, magneticcassettes, magnetic tape, magnetic disk storage or other magneticstorage devices, or any other medium which can be used to store thedesired information and which can be accessed by the computer.

Communication media typically embodies computer-readable instructions,data structures, program modules or other data in a modulated datasignal such as a carrier wave or other transport mechanism, and includesany information delivery media. The term “modulated data signal” means asignal that has one or more of its characteristics set or changed insuch a manner as to encode information in the signal. By way of example,and not limitation, communication media includes wired media such as awired network or direct-wired connection, and wireless media such asacoustic, RF, infrared and other wireless media. Combinations of the anyof the above should also be included within the scope ofcomputer-readable media.

The handset 1100 includes a processor 1102 for controlling andprocessing all onboard operations and functions. A memory 1104interfaces to the processor 1102 for storage of data and one or moreapplications 1106 (e.g., a video player software, user feedbackcomponent software, etc.). Other applications can include voicerecognition of predetermined voice commands that facilitate initiationof the user feedback signals. The applications 1106 can be stored in thememory 1104 and/or in a firmware 1108, and executed by the processor1102 from either or both the memory 1104 or/and the firmware 1108. Thefirmware 1108 can also store startup code for execution in initializingthe handset 1100. A communications component 1110 interfaces to theprocessor 1102 to facilitate wired/wireless communication with externalsystems, e.g., cellular networks, VoIP networks, and so on. Here, thecommunications component 1110 can also include a suitable cellulartransceiver 1111 (e.g., a GSM transceiver) and/or an unlicensedtransceiver 1113 (e.g., Wi-Fi, WiMax) for corresponding signalcommunications. The handset 1100 can be a device such as a cellulartelephone, a PDA with mobile communications capabilities, andmessaging-centric devices. The communications component 1110 alsofacilitates communications reception from terrestrial radio networks(e.g., broadcast), digital satellite radio networks, and Internet-basedradio services networks.

The handset 1100 includes a display 1112 for displaying text, images,video, telephony functions (e.g., a Caller ID function), setupfunctions, and for user input. For example, the display 1112 can also bereferred to as a “screen” that can accommodate the presentation ofmultimedia content (e.g., music metadata, messages, wallpaper, graphics,etc.). The display 1112 can also display videos and can facilitate thegeneration, editing and sharing of video quotes. A serial I/O interface1114 is provided in communication with the processor 1102 to facilitatewired and/or wireless serial communications (e.g., USB, and/or IEEE1394) through a hardwire connection, and other serial input devices(e.g., a keyboard, keypad, and mouse). This supports updating andtroubleshooting the handset 1100, for example. Audio capabilities areprovided with an audio I/O component 1116, which can include a speakerfor the output of audio signals related to, for example, indication thatthe user pressed the proper key or key combination to initiate the userfeedback signal. The audio I/O component 1116 also facilitates the inputof audio signals through a microphone to record data and/or telephonyvoice data, and for inputting voice signals for telephone conversations.

The handset 1100 can include a slot interface 1118 for accommodating aSIC (Subscriber Identity Component) in the form factor of a cardSubscriber Identity Module (SIM) or universal SIM 1120, and interfacingthe SIM card 1120 with the processor 1102. However, it is to beappreciated that the SIM card 1120 can be manufactured into the handset1100, and updated by downloading data and software.

The handset 1100 can process IP data traffic through the communicationcomponent 1110 to accommodate IP traffic from an IP network such as, forexample, the Internet, a corporate intranet, a home network, a personarea network, etc., through an ISP or broadband cable provider. Thus,VoIP traffic can be utilized by the handset 800 and IP-based multimediacontent can be received in either an encoded or decoded format.

A video processing component 1122 (e.g., a camera) can be provided fordecoding encoded multimedia content. The video processing component 1122can aid in facilitating the generation, editing and sharing of videoquotes. The handset 1100 also includes a power source 1124 in the formof batteries and/or an AC power subsystem, which power source 1124 caninterface to an external power system or charging equipment (not shown)by a power I/O component 1126.

The handset 1100 can also include a video component 1130 for processingvideo content received and, for recording and transmitting videocontent. For example, the video component 1130 can facilitate thegeneration, editing and sharing of video quotes. A location trackingcomponent 1132 facilitates geographically locating the handset 1100. Asdescribed hereinabove, this can occur when the user initiates thefeedback signal automatically or manually. A user input component 1134facilitates the user initiating the quality feedback signal. The userinput component 1134 can also facilitate the generation, editing andsharing of video quotes. The user input component 1134 can include suchconventional input device technologies such as a keypad, keyboard,mouse, stylus pen, and/or touch screen, for example.

Referring again to the applications 1106, a hysteresis component 1136facilitates the analysis and processing of hysteresis data, which isutilized to determine when to associate with the access point. Asoftware trigger component 1138 can be provided that facilitatestriggering of the hysteresis component 1138 when the Wi-Fi transceiver1113 detects the beacon of the access point. A SIP client 1140 enablesthe handset 1100 to support SIP protocols and register the subscriberwith the SIP registrar server. The applications 1106 can also include aclient 1142 that provides at least the capability of discovery, play andstore of multimedia content, for example, music.

The handset 1100, as indicated above related to the communicationscomponent 810, includes an indoor network radio transceiver 1113 (e.g.,Wi-Fi transceiver). This function supports the indoor radio link, suchas IEEE 802.11, for the dual-mode GSM handset 1100. The handset 1100 canaccommodate at least satellite radio services through a handset that cancombine wireless voice and digital radio chipsets into a single handhelddevice.

Referring now to FIG. 12, there is illustrated a block diagram of acomputer 1200 operable to execute a system architecture that facilitatesestablishing a transaction between an entity and a third party. Thecomputer 1200 can provide networking and communication capabilitiesbetween a wired or wireless communication network and a server (e.g.,Microsoft server) and/or communication device. In order to provideadditional context for various aspects thereof, FIG. 12 and thefollowing discussion are intended to provide a brief, generaldescription of a suitable computing environment in which the variousaspects of the innovation can be implemented to facilitate theestablishment of a transaction between an entity and a third party.While the description above is in the general context ofcomputer-executable instructions that can run on one or more computers,those skilled in the art will recognize that the innovation also can beimplemented in combination with other program modules and/or as acombination of hardware and software.

Generally, program modules include routines, programs, components, datastructures, etc., that perform particular tasks or implement particularabstract data types. Moreover, those skilled in the art will appreciatethat the inventive methods can be practiced with other computer systemconfigurations, including single-processor or multiprocessor computersystems, minicomputers, mainframe computers, as well as personalcomputers, hand-held computing devices, microprocessor-based orprogrammable consumer electronics, and the like, each of which can beoperatively coupled to one or more associated devices.

The illustrated aspects of the innovation can also be practiced indistributed computing environments where certain tasks are performed byremote processing devices that are linked through a communicationsnetwork. In a distributed computing environment, program modules can belocated in both local and remote memory storage devices.

Computing devices typically include a variety of media, which caninclude computer-readable storage media or communications media, whichtwo terms are used herein differently from one another as follows.

Computer-readable storage media can be any available storage media thatcan be accessed by the computer and includes both volatile andnonvolatile media, removable and non-removable media. By way of example,and not limitation, computer-readable storage media can be implementedin connection with any method or technology for storage of informationsuch as computer-readable instructions, program modules, structureddata, or unstructured data. Computer-readable storage media can include,but are not limited to, RAM, ROM, EEPROM, flash memory or other memorytechnology, CD-ROM, digital versatile disk (DVD) or other optical diskstorage, magnetic cassettes, magnetic tape, magnetic disk storage orother magnetic storage devices, or other tangible and/or non-transitorymedia which can be used to store desired information. Computer-readablestorage media can be accessed by one or more local or remote computingdevices, e.g., via access requests, queries or other data retrievalprotocols, for a variety of operations with respect to the informationstored by the medium.

Communications media can embody computer-readable instructions, datastructures, program modules or other structured or unstructured data ina data signal such as a modulated data signal, e.g., a carrier wave orother transport mechanism, and includes any information delivery ortransport media. The term “modulated data signal” or signals refers to asignal that has one or more of its characteristics set or changed insuch a manner as to encode information in one or more signals. By way ofexample, and not limitation, communication media include wired media,such as a wired network or direct-wired connection, and wireless mediasuch as acoustic, RF, infrared and other wireless media.

With reference to FIG. 12, implementing various aspects described hereinwith regards to the end-user device can include a computer 1200, thecomputer 1200 including a processing unit 1204, a system memory 1206 anda system bus 1208. The system bus 1208 couples system componentsincluding, but not limited to, the system memory 1206 to the processingunit 1204. The processing unit 1204 can be any of various commerciallyavailable processors. Dual microprocessors and other multi processorarchitectures can also be employed as the processing unit 1204.

The system bus 1208 can be any of several types of bus structure thatcan further interconnect to a memory bus (with or without a memorycontroller), a peripheral bus, and a local bus using any of a variety ofcommercially available bus architectures. The system memory 1206includes read-only memory (ROM) 1227 and random access memory (RAM)1212. A basic input/output system (BIOS) is stored in a non-volatilememory 1227 such as ROM, EPROM, EEPROM, which BIOS contains the basicroutines that help to transfer information between elements within thecomputer 1200, such as during start-up. The RAM 1212 can also include ahigh-speed RAM such as static RAM for caching data.

The computer 1200 further includes an internal hard disk drive (HDD)1214 (e.g., EIDE, SATA), which internal hard disk drive 1214 can also beconfigured for external use in a suitable chassis (not shown), amagnetic floppy disk drive (FDD) 1216, (e.g., to read from or write to aremovable diskette 1218) and an optical disk drive 1220, (e.g., readinga CD-ROM disk 1222 or, to read from or write to other high capacityoptical media such as the DVD). The hard disk drive 1214, magnetic diskdrive 1216 and optical disk drive 1220 can be connected to the systembus 1208 by a hard disk drive interface 1224, a magnetic disk driveinterface 1226 and an optical drive interface 1228, respectively. Theinterface 1224 for external drive implementations includes at least oneor both of Universal Serial Bus (USB) and IEEE 1294 interfacetechnologies. Other external drive connection technologies are withincontemplation of the subject innovation.

The drives and their associated computer-readable media providenonvolatile storage of data, data structures, computer-executableinstructions, and so forth. For the computer 1200 the drives and mediaaccommodate the storage of any data in a suitable digital format.Although the description of computer-readable media above refers to aHDD, a removable magnetic diskette, and a removable optical media suchas a CD or DVD, it should be appreciated by those skilled in the artthat other types of media which are readable by a computer 1200, such aszip drives, magnetic cassettes, flash memory cards, cartridges, and thelike, can also be used in the exemplary operating environment, andfurther, that any such media can contain computer-executableinstructions for performing the methods of the disclosed innovation.

A number of program modules can be stored in the drives and RAM 1212,including an operating system 1230, one or more application programs1232, other program modules 1234 and program data 1236. All or portionsof the operating system, applications, modules, and/or data can also becached in the RAM 1212. It is to be appreciated that the innovation canbe implemented with various commercially available operating systems orcombinations of operating systems.

A user can enter commands and information into the computer 1200 throughone or more wired/wireless input devices, e.g., a keyboard 1238 and apointing device, such as a mouse 1240. Other input devices (not shown)may include a microphone, an IR remote control, a joystick, a game pad,a stylus pen, touch screen, or the like. These and other input devicesare often connected to the processing unit 1204 through an input deviceinterface 1242 that is coupled to the system bus 1208, but can beconnected by other interfaces, such as a parallel port, an IEEE 2394serial port, a game port, a USB port, an IR interface, etc.

A monitor 1244 or other type of display device is also connected to thesystem bus 1208 through an interface, such as a video adapter 1246. Inaddition to the monitor 1244, a computer 1200 typically includes otherperipheral output devices (not shown), such as speakers, printers, etc.

The computer 1200 can operate in a networked environment using logicalconnections by wired and/or wireless communications to one or moreremote computers, such as a remote computer(s) 1248. The remotecomputer(s) 1248 can be a workstation, a server computer, a router, apersonal computer, portable computer, microprocessor-based entertainmentdevice, a peer device or other common network node, and typicallyincludes many or all of the elements described relative to the computer,although, for purposes of brevity, only a memory/storage device 1250 isillustrated. The logical connections depicted include wired/wirelessconnectivity to a local area network (LAN) 1252 and/or larger networks,e.g., a wide area network (WAN) 1254. Such LAN and WAN networkingenvironments are commonplace in offices and companies, and facilitateenterprise-wide computer networks, such as intranets, all of which mayconnect to a global communications network, e.g., the Internet.

When used in a LAN networking environment, the computer 1200 isconnected to the local network 1252 through a wired and/or wirelesscommunication network interface or adapter 1256. The adapter 1256 mayfacilitate wired or wireless communication to the LAN 1252, which mayalso include a wireless access point disposed thereon for communicatingwith the wireless adapter 1256.

When used in a WAN networking environment, the computer 1200 can includea modem 1258, or is connected to a communications server on the WAN1254, or has other means for establishing communications over the WAN1254, such as by way of the Internet. The modem 1258, which can beinternal or external and a wired or wireless device, is connected to thesystem bus 1208 through the input device interface 1242. In a networkedenvironment, program modules depicted relative to the computer, orportions thereof, can be stored in the remote memory/storage device1250. It will be appreciated that the network connections shown areexemplary and other means of establishing a communications link betweenthe computers can be used.

The computer is operable to communicate with any wireless devices orentities operatively disposed in wireless communication, e.g., aprinter, scanner, desktop and/or portable computer, portable dataassistant, communications satellite, any piece of equipment or locationassociated with a wirelessly detectable tag (e.g., a kiosk, news stand,restroom), and telephone. This includes at least Wi-Fi and Bluetooth™wireless technologies. Thus, the communication can be a predefinedstructure as with a conventional network or simply an ad hoccommunication between at least two devices.

Wi-Fi, or Wireless Fidelity, allows connection to the Internet from acouch at home, a bed in a hotel room, or a conference room at work,without wires. Wi-Fi is a wireless technology similar to that used in acell phone that enables such devices, e.g., computers, to send andreceive data indoors and out; anywhere within the range of a basestation. Wi-Fi networks use radio technologies called IEEE 802.11 (a, b,g, etc.) to provide secure, reliable, fast wireless connectivity. AWi-Fi network can be used to connect computers to each other, to theInternet, and to wired networks (which use IEEE 802.3 or Ethernet).Wi-Fi networks operate in the unlicensed 2.4 and 5 GHz radio bands, atan 11 Mbps (802.11a) or 54 Mbps (802.11b) data rate, for example, orwith products that contain both bands (dual band), so the networks canprovide real-world performance similar to the basic 10BaseT wiredEthernet networks used in many offices.

The feedback signaling overhead can be reduced when MIMO codeworddimensioning is applied. However the drawback with codeword dimensioningis that the link throughput is impacted as the MIMO layers withdifferent channel qualities are coupled as codewords. For exampleconsider the case of the single codeword MIMO with 8 antenna ports. Thenthe UE needs to report the channel quality corresponding to the layer,which has the lowest SINR. Although the other layers have high SINR, thecodeword dimensioning prevents scheduling of higher modulation and coderate or transport block size corresponding to their SINR. This resultsin loss in link throughput. Hence a solution is needed to improve thelink throughput or capacity while simultaneously reducing the signalingoverhead of the feedback channel.

The above description of illustrated embodiments of the subjectdisclosure, including what is described in the Abstract, is not intendedto be exhaustive or to limit the disclosed embodiments to the preciseforms disclosed. While specific embodiments and examples are describedherein for illustrative purposes, various modifications are possiblethat are considered within the scope of such embodiments and examples,as those skilled in the relevant art can recognize.

In this regard, while the subject matter has been described herein inconnection with various embodiments and corresponding FIGs, whereapplicable, it is to be understood that other similar embodiments can beused or modifications and additions can be made to the describedembodiments for performing the same, similar, alternative, or substitutefunction of the disclosed subject matter without deviating therefrom.Therefore, the disclosed subject matter should not be limited to anysingle embodiment described herein, but rather should be construed inbreadth and scope in accordance with the appended claims below.

What is claimed is:
 1. A method, comprising: configuring, by a networkdevice comprising a processor, a mobile device of a wireless networkaccording to a first number of codewords; receiving, by the networkdevice, a first signal transmission from the mobile device, wherein thefirst signal transmission comprises channel data associated with achannel state of the mobile device; and in response to receiving thefirst signal transmission, configuring, by the network device, themobile device according to a second number of the codewords differentthan the first number.
 2. The method of claim 1, further comprising:receiving, by the network device, uplink control channel data related toan uplink control from the mobile device.
 3. The method of claim 2,wherein the operations further comprise: receiving, by the networkdevice, codeword recommendation data, indicative of a recommendation fora number of the codewords, from the mobile device, and wherein thenetwork device applies a different number of the codewords.
 4. Themethod of claim 1, wherein the configuring the mobile device accordingto the second number of the codewords comprises configuring the mobiledevice according to a radio resource control signal.
 5. The method ofclaim 1, further comprising: receiving, by the network device, layermapping data associated indicative of a first layer being mapped to asecond layer from mobile device.
 6. The method of claim 5, wherein thelayer mapping data comprises codeword data associated with the firstlayer being mapped to the second layer.
 7. The method of claim 1,further comprising: transmitting, by the network device, the secondnumber of the codewords via a downlink control channel between themobile device and the network device.
 8. A system, comprising: aprocessor; and a memory that stores executable instructions that, whenexecuted by the processor, facilitate performance of operations,comprising: receiving a reference signal associated with channel statedata of a first channel between a mobile device and a network device;based on the channel state data, generating channel estimation dataassociated with the first channel; based on the channel estimation data,generating signal to noise plus interference ratio data, representativeof a first signal to noise plus interference ratio of a first layer ofthe first channel; comparing the first signal to noise plus interferenceratio to a second signal to noise plus interference ratio of a secondsignal to noise plus interference ratio of a second layer between themobile device and the network device, resulting in signal to noise plusinterference ratio comparison data; and in response to the comparing,sending the signal to noise plus interference ratio comparison data tothe network device.
 9. The network device of claim 8, wherein theoperations further comprise: in response to the sending the signal tonoise plus interference ratio comparison data to the network device,configuring the mobile device, and wherein the configuring comprisessending codeword data associated with a number of codewords to themobile device.
 10. The network device of claim 8, wherein the signalinterference data comprises a signal to interference plus noise ratio.11. The network device of claim 8, wherein the operations furthercomprise: transmitting second number of the codewords via a downlinkcontrol channel between the mobile device and the network device. 12.The network device of claim 8, wherein the operations further comprise:configuring the mobile device according to a radio resource controlsignal.
 13. The network device of claim 12, wherein the operationsfurther comprise: in response to the sending the signal to noise plusinterference ratio comparison data, configuring the mobile device basedon the signal comparison data.
 14. The network device of claim 9,wherein the sending the signal comparison data comprises sending thesignal comparison data via a feedback channel.
 15. A machine-readablestorage medium, comprising executable instructions that, when executedby a processor, facilitate performance of operations, comprising:receiving a first signal transmission from a mobile device, wherein thefirst signal transmission comprises an indication that the mobile deviceis configured with a first number of codewords; analyzing the firstsignal transmission, wherein the first signal transmission comprises aquality difference metric indicative of the first number of codewordsbeing less than a predefined number associated with a qualitydifference; and in response to the analyzing, facilitating use of asecond number of the codewords different from the first number of thecodewords.
 16. The machine-readable storage medium of claim 15, whereinthe quality difference comprises channel quality indicator data.
 17. Themachine-readable storage medium of claim 16, wherein the operationsfurther comprise: sending the second number of the codewords to themobile device via a downlink control channel.
 18. The machine-readablestorage medium of claim 17, wherein the operations further comprise:facilitating decoding of information of the downlink control channel.19. The machine-readable storage medium of claim 17, wherein theoperations further comprise: facilitating decoding information of a datachannel associated with the downlink control channel.
 20. Themachine-readable storage medium of claim 17, wherein the operationsfurther comprise: configuring the mobile device with radio resourcecontrol signaling associated with the second number of the codewords.